N Broadway Express

E178055

New York City Subway service rapid transit service

The N Broadway Express is a New York City Subway service that runs along the BMT Broadway Line in Manhattan and into Brooklyn, operating primarily as an express route.

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All labels observed (3)

Label	Occurrences
N Broadway Express canonical	4
Broadway Express	1
N (Broadway Express)	1

Statements (37)

Predicate	Object
instanceOf	New York City Subway service ⓘ rapid transit service ⓘ
boroughServed	Brooklyn ⓘ Manhattan ⓘ
country	United States of America ⓘ surface form: United States
division	BMT Division ⓘ
farePaymentMethod	MetroCard ⓘ OMNY ⓘ
fareSystem	MTA New York City Subway fare system ⓘ
hasAccessibilityPolicy	serves ADA-accessible stations where available ⓘ
hasServiceType	late night local service ⓘ weekday express service ⓘ
infrastructureOwner	New York City ⓘ surface form: City of New York
letterDesignation	N ⓘ
lineUsed	BMT Broadway Line ⓘ
networkMapGroup	Broadway services ⓘ
operatedBy	Metropolitan Transportation Authority ⓘ New York City Transit Authority ⓘ
operatingMode	24-hour service (with variations by time of day) ⓘ
poweredBy	third rail ⓘ
primaryFunction	rapid transit passenger service ⓘ
routeColor	yellow ⓘ
safetySystem	automatic train stop (ATS) on some segments ⓘ wayside signals ⓘ
serviceArea	New York City ⓘ
serviceClass	lettered (B Division) service ⓘ
servicePattern	express in Brooklyn (in part) ⓘ express in Manhattan ⓘ local in some segments ⓘ
symbolShape	circle ⓘ
symbolText	N ⓘ
system	New York City Subway ⓘ
trackGauge	standard gauge ⓘ
usesCorridor	BMT Astoria Line ⓘ surface form: Astoria Line (Queens) Brooklyn–Coney Island subway corridor ⓘ surface form: Fourth Avenue Line (Brooklyn) BMT Sea Beach Line ⓘ surface form: Sea Beach Line (Brooklyn)
usesRollingStockType	B Division subway cars ⓘ

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction

You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.

Input

Subject: N Broadway Express
Description of subject: The N Broadway Express is a New York City Subway service that runs along the BMT Broadway Line in Manhattan and into Brooklyn, operating primarily as an express route.

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

34th Street–Herald Square station → servesLine → N Broadway Express ⓘ

New York City Subway N train → serviceDesignation → N Broadway Express ⓘ

this entity surface form: Broadway Express

BMT lines → includesService → N Broadway Express ⓘ

this entity surface form: N (Broadway Express)

Times Square–42 Street → servesService → N Broadway Express ⓘ

34 Street–Herald Square → servedByLine → N Broadway Express ⓘ

Canal Street, Manhattan → servedBySubwayLine → N Broadway Express ⓘ